McDonnell & Miller 194-B-1 Replacement Casting 30067439-890 we recommend using this specific

we recommend using this specific York OEM relay for York equipment to ensure the mounting orientation and terminal ratings align with the system's wiring harness and current draw requirements

Industrial Build Quality: Constructed with materials designed to withstand the rapid thermal expansion and contraction cycles of residential and light commercial heat exchangers

making it an essential commercial refrigeration pressure switch for pump-down cycles and compressor protection

the Series 800 features a free-floating stainless steel mechanism with no fixed pivots

Designed as a direct service pack upgrade

McDonnell & Miller 194-B-1 Replacement Casting 30067439-890 we recommend using this specificThe McDonnell & Miller 194 B 1 Replacement Casting is a critical structural component designed specifically for the Series 194 Combination Low Water Cut Off and Pump Controller. As a veteran preferred boiler replacement part, this heavy duty water column casting features the standard 1 1 4 inch NPT steam equalizing tappings and integrated ports for gauge glass and tri cock sets. Engineered for high pressure environments, it maintains structural